Data transfer system and method using data bus having bi-directi

Details Data transfer system and method using data bus having bi-directi Data transfer system and method using data bus having bi-directi

1994-05-13

1997-02-04

Black, Thomas G.

Boots, shoes, and leggings

395856, 395855, 395850, 39520005, 3642222, 3642833, 3642383, 364DIG1, G06F 1300

Patent

active

056008031

ABSTRACT:
A data transfer system including a plurality of microcomputers connected to a serial data bus in parallel to each other, one of which is designated as a controller and remainder as targets each having its own sending order of data allocated beforehand, in which the controller asserts a control line of the serial data bus to start a data frame or a null frame sending to a data line of the serial data bus and each target outputs an output for asserting the control line while the control line is kept in an asserted state by the controller if it has a data frame sending request, and outputs a data frame or a null frame when its sending order has come.

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